How Do You Spell ROTAPLANE?

Correct spelling for the English word "rotaplane" is [ɹˈə͡ʊtɐplˌe͡ɪn], [ɹˈə‍ʊtɐplˌe‍ɪn], [ɹ_ˈəʊ_t_ɐ_p_l_ˌeɪ_n] (IPA phonetic alphabet).

Plural form of ROTAPLANE is ROTAPLANES